Mountain resort image
– Lat/Long: 48.71° N 121.99° W

South Twin Sister
Weather Forecast, United States

Issued: 9 am Sun 07 Dec Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Heavy rain (total 74mm), heaviest during Mon night. Very mild (max 10°C on Mon night, min 4°C on Tue night). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 72mm), heaviest during Fri night. Very mild (max 10°C on Thu night, min 6°C on Wed morning). Wind will be generally light.

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod rain
rain showers
mod rain
light rain
mod rain
heavy rain
rain showers
light rain
heavy rain
light rain
light rain
mod rain
mod rain
heavy rain
heavy rain
light rain
light rain
heavy rain
mod. rain
rain shwrs
mod. rain
light rain
mod. rain
heavy rain
rain shwrs
light rain
heavy rain
light rain
light rain
mod. rain
mod. rain
heavy rain
heavy rain
light rain
light rain
heavy rain
 km/h
10
SSE
15
WSW
5
SW
10
SSE
15
SSW
10
WSW
5
S
5
SE
5
S
10
SW
5
SW
5
SSE
5
SW
5
WSW
10
SSE
10
WSW
5
WSW
10
S
 cm 
 mm 
10
3
6
5
8
21
0.3
0.2
21
1.7
1.2
8
9
13
11
3
3
22
max°C
6
7
6
7
9
10
6
6
7
6
6
7
7
7
10
10
10
9
min°C
5
6
5
6
7
5
5
5
4
6
6
6
7
7
7
10
9
9
chill°C 
2
4
4
3
4
3
4
3
2
4
5
6
6
7
6
9
8
8
Freezing level (m
1450
1500
1300
1700
2250
1300
1250
1400
2100
1400
1400
1550
1900
1850
2500
2250
2250
2350
Cloud base (m)
550
600
600
650
550
600
600
2250
550
600
600
600
600
600
600
600
600
600
Sea lvl1000m2000m3000m4000m5000m
-3-5-5-11-3-5-4-2-5-4-3-1-111121-1-1241-2-22-1-1121454467678866666777910109
Sunrise
7:46
7:47
7:48
7:48
7:50
7:50
Sunset
4:12
4:10
4:10
4:10
4:10
4:10

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South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Heavy rain (total 74mm), heaviest during Mon night. Very mild (max 10°C on Mon night, min 4°C on Tue night). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Heavy rain (total 72mm), heaviest during Fri night. Very mild (max 10°C on Thu night, min 6°C on Wed morning). Wind will be generally light.

This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.

Live conditions reported by 5 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
22 km WSW
94m alt.
2 hours ago
10° C
Dry
0
Calm
(0 kph at 211).
10
25 km WNW
102m alt.
2 hours ago
9° C
Dry
Wind obs. (6 kph from 78 degs) was rejected.
25 km WSW
198m alt.
1 hour ago
8° C
Dry
2
Calm
(2 kph at 22).
3
26 km NW
125m alt.
1 hour ago
7° C
Dry
0
Calm
(0 kph at 208).
3
27 km WSW
99m alt.
1 hour ago
10° C
Dry
16
Light winds from the SSE
(16 kph at 149).
31
28 km NW
152m alt.
47 minutes ago
7° C
Dry
0
Calm
(0 kph at 18).
2
30 km WSW
130m alt.
2 hours ago
9° C
Dry
3
Calm
(3 kph at 261).
31
35 km WNW
19m alt.
51 minutes ago
9° C
Dry
0
Calm
(0 kph at 0).
5
35 km WSW
100m alt.
2 hours ago
11° C
Dry
10
Light winds from the SE
(10 kph at 126).
23
39 km W
27m alt.
1 hour ago
12° C
Dry
0
Calm
(0 kph at 0).
10

* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.